granicus.if.org Git - strace/blob - term.c

   1 /*
   2  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  *      $Id$
  28  */
  29
  30 #include "defs.h"
  31
  32 #ifdef HAVE_TERMIO_H
  33 #include <termio.h>
  34 #endif /* HAVE_TERMIO_H */
  35
  36 #include <termios.h>
  37
  38 #ifdef HAVE_SYS_FILIO_H
  39 #include <sys/filio.h>
  40 #endif
  41
  42 static struct xlat tcxonc_options[] = {
  43         { TCOOFF,       "TCOOFF"        },
  44         { TCOON,        "TCOON"         },
  45         { TCIOFF,       "TCIOFF"        },
  46         { TCION,        "TCION"         },
  47         { 0,            NULL            },
  48 };
  49
  50 #ifdef TCLFLSH
  51 static struct xlat tcflsh_options[] = {
  52         { TCIFLUSH,     "TCIFLUSH"      },
  53         { TCOFLUSH,     "TCOFLUSH"      },
  54         { TCIOFLUSH,    "TCIOFLUSH"     },
  55         { 0,            NULL            },
  56 };
  57 #endif
  58
  59 static struct xlat baud_options[] = {
  60         { B0,           "B0"            },
  61         { B50,          "B50"           },
  62         { B75,          "B75"           },
  63         { B110,         "B110"          },
  64         { B134,         "B134"          },
  65         { B150,         "B150"          },
  66         { B200,         "B200"          },
  67         { B300,         "B300"          },
  68         { B600,         "B600"          },
  69         { B1200,        "B1200"         },
  70         { B1800,        "B1800"         },
  71         { B2400,        "B2400"         },
  72         { B4800,        "B4800"         },
  73         { B9600,        "B9600"         },
  74 #ifdef B19200
  75         { B19200,       "B19200"        },
  76 #endif
  77 #ifdef B38400
  78         { B38400,       "B38400"        },
  79 #endif
  80 #ifdef B57600
  81         { B57600,       "B57600"        },
  82 #endif
  83 #ifdef B115200
  84         { B115200,      "B115200"       },
  85 #endif
  86 #ifdef B230400
  87         { B230400,      "B230400"       },
  88 #endif
  89 #ifdef B460800
  90         { B460800,      "B460800"       },
  91 #endif
  92 #ifdef B500000
  93         { B500000,      "B500000"       },
  94 #endif
  95 #ifdef B576000
  96         { B576000,      "B576000"       },
  97 #endif
  98 #ifdef B921600
  99         { B921600,      "B921600"       },
 100 #endif
 101 #ifdef B1000000
 102         { B1000000,     "B1000000"      },
 103 #endif
 104 #ifdef B1152000
 105         { B1152000,     "B1152000"      },
 106 #endif
 107 #ifdef B1500000
 108         { B1500000,     "B1500000"      },
 109 #endif
 110 #ifdef B2000000
 111         { B2000000,     "B2000000"      },
 112 #endif
 113 #ifdef B2500000
 114         { B2500000,     "B2500000"      },
 115 #endif
 116 #ifdef B3000000
 117         { B3000000,     "B3000000"      },
 118 #endif
 119 #ifdef B3500000
 120         { B3500000,     "B3500000"      },
 121 #endif
 122 #ifdef B4000000
 123         { B4000000,     "B4000000"      },
 124 #endif
 125 #ifdef EXTA
 126         { EXTA,         "EXTA"          },
 127 #endif
 128 #ifdef EXTB
 129         { EXTB,         "EXTB"          },
 130 #endif
 131         { 0,            NULL            },
 132 };
 133
 134 static struct xlat modem_flags[] = {
 135 #ifdef TIOCM_LE
 136         { TIOCM_LE,     "TIOCM_LE",     },
 137 #endif
 138 #ifdef TIOCM_DTR
 139         { TIOCM_DTR,    "TIOCM_DTR",    },
 140 #endif
 141 #ifdef TIOCM_RTS
 142         { TIOCM_RTS,    "TIOCM_RTS",    },
 143 #endif
 144 #ifdef TIOCM_ST
 145         { TIOCM_ST,     "TIOCM_ST",     },
 146 #endif
 147 #ifdef TIOCM_SR
 148         { TIOCM_SR,     "TIOCM_SR",     },
 149 #endif
 150 #ifdef TIOCM_CTS
 151         { TIOCM_CTS,    "TIOCM_CTS",    },
 152 #endif
 153 #ifdef TIOCM_CAR
 154         { TIOCM_CAR,    "TIOCM_CAR",    },
 155 #endif
 156 #ifdef TIOCM_CD
 157         { TIOCM_CD,     "TIOCM_CD",     },
 158 #endif
 159 #ifdef TIOCM_RNG
 160         { TIOCM_RNG,    "TIOCM_RNG",    },
 161 #endif
 162 #ifdef TIOCM_RI
 163         { TIOCM_RI,     "TIOCM_RI",     },
 164 #endif
 165 #ifdef TIOCM_DSR
 166         { TIOCM_DSR,    "TIOCM_DSR",    },
 167 #endif
 168         { 0,            NULL,           },
 169 };
 170
 171
 172 int
 173 term_ioctl(tcp, code, arg)
 174 struct tcb *tcp;
 175 long code, arg;
 176 {
 177         struct termios tios;
 178 #ifndef FREEBSD
 179         struct termio tio;
 180 #else
 181         #define TCGETS  TIOCGETA
 182         #define TCSETS  TIOCSETA
 183         #define TCSETSW TIOCSETAW
 184         #define TCSETSF TIOCSETAF
 185 #endif
 186         struct winsize ws;
 187 #ifdef TIOCGSIZE
 188         struct  ttysize ts;
 189 #endif
 190         int i;
 191
 192         if (entering(tcp))
 193                 return 0;
 194
 195         switch (code) {
 196
 197         /* ioctls with termios or termio args */
 198
 199 #ifdef TCGETS
 200         case TCGETS:
 201                 if (syserror(tcp))
 202                         return 0;
 203         case TCSETS:
 204         case TCSETSW:
 205         case TCSETSF:
 206                 if (!verbose(tcp) || umove(tcp, arg, &tios) < 0)
 207                         return 0;
 208                 if (abbrev(tcp)) {
 209                         tprintf(", {");
 210 #ifndef FREEBSD
 211                         printxval(baud_options, tios.c_cflag & CBAUD, "B???");
 212 #else
 213                         printxval(baud_options, tios.c_ispeed, "B???");
 214                         if (tios.c_ispeed != tios.c_ospeed) {
 215                                 tprintf(" (in)");
 216                                 printxval(baud_options, tios.c_ospeed, "B???");
 217                                 tprintf(" (out)");
 218                         }
 219 #endif
 220                         tprintf(" %sopost %sisig %sicanon %secho ...}",
 221                                 (tios.c_oflag & OPOST) ? "" : "-",
 222                                 (tios.c_lflag & ISIG) ? "" : "-",
 223                                 (tios.c_lflag & ICANON) ? "" : "-",
 224                                 (tios.c_lflag & ECHO) ? "" : "-");
 225                         return 1;
 226                 }
 227                 tprintf(", {c_iflags=%#lx, c_oflags=%#lx, ",
 228                         (long) tios.c_iflag, (long) tios.c_oflag);
 229                 tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
 230                         (long) tios.c_cflag, (long) tios.c_lflag);
 231 #if !defined(SVR4) && !defined(FREEBSD)
 232                 tprintf("c_line=%u, ", tios.c_line);
 233 #endif
 234                 if (!(tios.c_lflag & ICANON))
 235                         tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
 236                                 tios.c_cc[VMIN], tios.c_cc[VTIME]);
 237                 tprintf("c_cc=\"");
 238                 for (i = 0; i < NCCS; i++)
 239                         tprintf("\\x%02x", tios.c_cc[i]);
 240                 tprintf("\"}");
 241                 return 1;
 242 #endif /* TCGETS */
 243
 244 #ifdef TCGETA
 245         case TCGETA:
 246                 if (syserror(tcp))
 247                         return 0;
 248         case TCSETA:
 249         case TCSETAW:
 250         case TCSETAF:
 251                 if (!verbose(tcp) || umove(tcp, arg, &tio) < 0)
 252                         return 0;
 253                 if (abbrev(tcp)) {
 254                         tprintf(", {");
 255                         printxval(baud_options, tio.c_cflag & CBAUD, "B???");
 256                         tprintf(" %sopost %sisig %sicanon %secho ...}",
 257                                 (tio.c_oflag & OPOST) ? "" : "-",
 258                                 (tio.c_lflag & ISIG) ? "" : "-",
 259                                 (tio.c_lflag & ICANON) ? "" : "-",
 260                                 (tio.c_lflag & ECHO) ? "" : "-");
 261                         return 1;
 262                 }
 263                 tprintf(", {c_iflags=%#lx, c_oflags=%#lx, ",
 264                         (long) tio.c_iflag, (long) tio.c_oflag);
 265                 tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
 266                         (long) tio.c_cflag, (long) tio.c_lflag);
 267                 tprintf("c_line=%u, ", tio.c_line);
 268 #ifdef _VMIN
 269                 if (!(tio.c_lflag & ICANON))
 270                         tprintf("c_cc[_VMIN]=%d, c_cc[_VTIME]=%d, ",
 271                                 tio.c_cc[_VMIN], tio.c_cc[_VTIME]);
 272 #else /* !_VMIN */
 273                 if (!(tio.c_lflag & ICANON))
 274                         tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
 275                                 tio.c_cc[VMIN], tio.c_cc[VTIME]);
 276 #endif /* !_VMIN */
 277                 tprintf("c_cc=\"");
 278                 for (i = 0; i < NCC; i++)
 279                         tprintf("\\x%02x", tio.c_cc[i]);
 280                 tprintf("\"}");
 281                 return 1;
 282 #endif /* TCGETA */
 283
 284         /* ioctls with winsize or ttysize args */
 285
 286 #ifdef TIOCGWINSZ
 287         case TIOCGWINSZ:
 288                 if (syserror(tcp))
 289                         return 0;
 290         case TIOCSWINSZ:
 291                 if (!verbose(tcp) || umove(tcp, arg, &ws) < 0)
 292                         return 0;
 293                 tprintf(", {ws_row=%d, ws_col=%d, ws_xpixel=%d, ws_ypixel=%d}",
 294                         ws.ws_row, ws.ws_col, ws.ws_xpixel, ws.ws_ypixel);
 295                 return 1;
 296 #endif /* TIOCGWINSZ */
 297
 298 #ifdef TIOCGSIZE
 299         case TIOCGSIZE:
 300                 if (syserror(tcp))
 301                         return 0;
 302         case TIOCSSIZE:
 303                 if (!verbose(tcp) || umove(tcp, arg, &ts) < 0)
 304                         return 0;
 305                 tprintf(", {ts_lines=%d, ts_cols=%d}",
 306                         ts.ts_lines, ts.ts_cols);
 307                 return 1;
 308 #endif
 309
 310         /* ioctls with a direct decodable arg */
 311 #ifdef TCXONC
 312         case TCXONC:
 313                 tprintf(", ");
 314                 printxval(tcxonc_options, arg, "TC???");
 315                 return 1;
 316 #endif
 317 #ifdef TCLFLSH
 318         case TCFLSH:
 319                 tprintf(", ");
 320                 printxval(tcflsh_options, arg, "TC???");
 321                 return 1;
 322 #endif
 323
 324         /* ioctls with an indirect parameter displayed as modem flags */
 325
 326 #ifdef TIOCMGET
 327         case TIOCMGET:
 328         case TIOCMBIS:
 329         case TIOCMBIC:
 330         case TIOCMSET:
 331                 if (umove(tcp, arg, &arg) < 0)
 332                         return 0;
 333                 tprintf(", [");
 334                 if (!printflags(modem_flags, arg))
 335                         tprintf("0");
 336                 tprintf("]");
 337                 return 1;
 338 #endif /* TIOCMGET */
 339
 340         /* ioctls with an indirect parameter displayed in decimal */
 341
 342         case TIOCSPGRP:
 343         case TIOCGPGRP:
 344 #ifdef TIOCGETPGRP
 345         case TIOCGETPGRP:
 346 #endif
 347 #ifdef TIOCSETPGRP
 348         case TIOCSETPGRP:
 349 #endif
 350 #ifdef FIONREAD
 351         case FIONREAD:
 352 #endif
 353         case TIOCOUTQ:
 354 #ifdef FIONBIO
 355         case FIONBIO:
 356 #endif
 357 #ifdef FIOASYNC
 358         case FIOASYNC:
 359 #endif
 360 #ifdef FIOGETOWN
 361         case FIOGETOWN:
 362 #endif
 363 #ifdef FIOSETOWN
 364         case FIOSETOWN:
 365 #endif
 366 #ifdef TIOCGETD
 367         case TIOCGETD:
 368 #endif
 369 #ifdef TIOCSETD
 370         case TIOCSETD:
 371 #endif
 372 #ifdef TIOCPKT
 373         case TIOCPKT:
 374 #endif
 375 #ifdef TIOCREMOTE
 376         case TIOCREMOTE:
 377 #endif
 378 #ifdef TIOCUCNTL
 379         case TIOCUCNTL:
 380 #endif
 381 #ifdef TIOCTCNTL
 382         case TIOCTCNTL:
 383 #endif
 384 #ifdef TIOCSIGNAL
 385         case TIOCSIGNAL:
 386 #endif
 387 #ifdef TIOCSSOFTCAR
 388         case TIOCSSOFTCAR:
 389 #endif
 390 #ifdef TIOCGSOFTCAR
 391         case TIOCGSOFTCAR:
 392 #endif
 393 #ifdef TIOCISPACE
 394         case TIOCISPACE:
 395 #endif
 396 #ifdef TIOCISIZE
 397         case TIOCISIZE:
 398 #endif
 399 #ifdef TIOCSINTR
 400         case TIOCSINTR:
 401 #endif
 402 #ifdef TIOCSPTLCK
 403         case TIOCSPTLCK:
 404 #endif
 405 #ifdef TIOCGPTN
 406         case TIOCGPTN:
 407 #endif
 408                 tprintf(", ");
 409                 printnum(tcp, arg, "%d");
 410                 return 1;
 411
 412 #if 0
 413         /* ioctls with an indirect parameter displayed in hex */
 414
 415                 tprintf(", ");
 416                 printnum(tcp, arg, "%#x");
 417                 return 1;
 418 #endif
 419
 420         /* ioctls with an indirect parameter displayed as a char */
 421
 422 #ifdef TIOCSTI
 423         case TIOCSTI:
 424 #endif
 425                 tprintf(", ");
 426                 printstr(tcp, arg, 1);
 427                 return 1;
 428
 429         /* ioctls with no parameters */
 430
 431 #ifdef TIOCSCTTY
 432         case TIOCSCTTY:
 433 #endif
 434 #ifdef TIOCNOTTY
 435         case TIOCNOTTY:
 436 #endif
 437 #ifdef FIOCLEX
 438         case FIOCLEX:
 439 #endif
 440 #ifdef FIONCLEX
 441         case FIONCLEX:
 442 #endif
 443 #ifdef TIOCCONS
 444         case TIOCCONS:
 445 #endif
 446                 return 1;
 447
 448         /* ioctls which are unknown */
 449
 450         default:
 451                 return 0;
 452         }
 453 }
 454